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The 33210 is a single-row tapered roller bearing engineered specifically to withstand combined radial and axial loads. Designed for heavy-load, high-speed applications, this bearing features low friction, extended service life, and simplified maintenance, making it ideal for industrial equipment and automotive transmission systems.
Structural Design & Advantages
Separable Structure: The inner ring (including tapered rollers and cage) and outer ring can be independently installed and removed, facilitating equipment assembly and maintenance. Components are interchangeable, reducing operational and maintenance costs.
Tapered Raceway Design: Raceways of the inner and outer rings, along with the rollers, are tapered. The projection lines of the raceways intersect at the bearing axis, enabling pure rolling motion that significantly reduces operational friction and energy loss.
Preload Adaptability: Supports paired installation of multiple bearings in "back-to-back" or "face-to-face" configurations. Preloading enhances system rigidity, meeting requirements for high-precision equipment such as machine tool spindles and gearboxes.
Key Technical Parameters
Parameter
Value
Description
Bore
50 mm
-
Outer Diameter
90 mm
-
Width
32 mm (inner ring: 32mm; outer ring: 24.5mm)
Structural dimension difference
Contact Angle
15.417°
Affects axial load capacity
Basic Dynamic Load Rating
142 kN (radial)
Load limit for continuous operation
Basic Static Load Rating
160 kN (radial)
Load limit for static/low-speed conditions
Reference Speed
5300 r/min
Recommended speed for regular working conditions
Limiting Speed
7000 r/min
Maximum safe speed for short-term operation
Material
Bearing steel (raceways, rollers) + steel cage
Brass cages available for some brands
Performance Features
High Load-Carrying Capacity: Withstands both radial and unidirectional axial forces, suitable for heavy-load equipment including metallurgical rolling mills and mining machinery.
Low Friction & Long Service Life: Pure rolling design reduces wear; bearing steel is strengthened by heat treatment to enhance fatigue resistance.
Precision and Stability: High-precision manufacturing processes ensure low vibration and noise during high-speed operation.
Automotive Industry: Transmission systems including differentials and gearboxes, heavy-duty axles
Heavy Machinery: Metallurgical equipment, mining crushers, construction machinery such as excavator slewing rings
Installation & Operational Notes
Ensure coaxiality of inner and outer rings during installation to avoid uneven loading that accelerates wear
Strictly control clearance during paired installation; optimize rigidity through preloading
Select lubrication methods (grease/oil), clearance classes (e.g., C3/C4), or anti-corrosion coatings according to working conditions to adapt to special environments such as high temperature or dusty conditions
For customized parameters (such as brass cages, special clearances) or brand selection, please consult us for further assistance.
Introduction:1.Covering an area of 80 mu (about 53,333 square meters), our factory has a 60-person team including 4 professional engineers, ensuring stable production and technical support.
2. Focusing on bearing production for 25 years, quality is our only guarantee3. Wafangdian Bearing Factory was... Introduction:1.Covering an area of 80 mu (about 53,333 square meters), our factory has a 60-person team including 4 professional engineers, ensuring stable production and technical support.
2. Focusing on bearing production for 25 years, quality is our only guarantee3. Wafangdian Bearing Factory was...
